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ProMaxx Performance 9240

440 MAXX Aluminum Cylinder Heads Big Block Chrysler (B/RB)


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Estimated ship date 02/06/18 if Ordered Today
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ProMaxx Performance 9240 440 MAXX Aluminum Cylinder Heads Big Block Chrysler (B/RB) $1,560.99
440 MAXX Aluminum Cylinder Heads
  • Big Block Chrysler (B/RB)
  • 240cc Intake Ports
  • 84cc Combustion Chambers
  • 2.19" Intake, 1.81" Exhaust Valve Sizes
  • 100% CNC'd Ports and Chambers
  • Bare, 2/pkg.

  • ProMaxx Performance 9240 Details

    240cc Intake Ports

    This "Bare" head does NOT include Valves, Valve Springs, Retainers or Locks.

    Additional Cylinder Head Specifications
  • Valve Angle: 15°
  • Spark Plug Type: Angled
  • Through Head Oiling System
  • Standard Port Locations
  • Bronze Valve Guides

  • Maxx Quality, Performance and Affordibility!

    The ProMaxx MAXX Series Big Block Chrysler Aluminum Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. The As-Cast heads utilize ultra-smooth A356-T6 aluminum castings, new runner and chamber designs to produce CNC ported type flow numbers! The 210cc intake runner design heads flow over 295cfm! This combined with a 5-angle competition valve job, diamond-honed bronze guides, hand bowl blending, and professional assembly to outperform the best brands in the business.

  • A356-T6 Aluminum Construction
  • Available As-Cast with 210cc Intake Ports or 100% CNC-Ported with 240cc Intake Ports
  • As-Cast Heads feature some hand bowl blending
  • Efficient chamber design
  • Available bare or assembled
  • 5-angle competition valve job
  • Diamond-honed bronze guides
  • "MAXX" power for street or strip
  • Sold in pairs

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